This British Museum Young explorers' fun video guide, A brief history of writing, is a great way to introduce KS2 learners to writing from the past - particularly if they're studying the Ancient Egyptians or Romans.
Click on the link to our kids' site, Show Me, for a child-friendly write-up of the video, called A brief history of writing: fun British Museum video, which you can put on the whiteboard or computer in class.